Research Article
Effects of Calcium, Phosphorus and Manganese Supplementation During Oil Palm Frond Fermentation by Phanerochaete chrysosporium on Laccase Activity and in vitro Digestibility
Faculty of Animal Science, Andalas University, Padang, Indonesia
Mardiati Zain
Faculty of Animal Science, Andalas University, Padang, Indonesia
Arief
Faculty of Animal Science, Andalas University, Padang, Indonesia
Roni Pazla
West Sumatra Nahdhatul Ulama University, Padang, Indonesia